Penstemon rupicola
PNW
OR
WA
272 specimens from 19 herbaria:
Oregon (166)
Washington (106)
64 images from 16 herbaria:
BLMMD (2)
CIC (1)
EWU (1)
HJAEF (1)
HJAEFB (1)
HPSU (4)
ID (15)
IDS (3)
PLU (11)
PSM (2)
REED (2)
SOC (13)
WCW (3)
WSTC (1)
WTU (2)
WWB (2)